After the Coalition’s record victory in 2011, NSW Premier Mike Baird and his government are expected to be re-elected at the election on 28 March. But January’s surprise defeat of the Campbell Newman’s government in Queensland, and the Baird government’s far reaching proposal to lease the state’s electricity infrastructure, mean nothing can be taken for granted.

29 November: After the Coalition’s unexpected victory in November 2010, the Napthine government goes into November’s Victorian state election as underdog. Labor Leader Daniel Andrews will be hoping to return Labor to office after just one term of opposition.

25 October 2014: The revelation to an ICAC inquiry of illegal developer donations at the 2011 state election has led to the resignation of the Liberal members for Charlestown and Newcastle. With both seats having been safe Labor seats until the 2011 election landslide, Labor is favourite to gain both seats ahead of the state election in March.

18 October 2014: Voters in the Western Australian seat of Vasse, centred on Busselton in the state's south-west, will go to the polls following the resignation of MP Troy Buswell. A former Liberal Leader, state Treasurer and Transport Minister, Buswell departs after what can be described as an eventful political career.

18 October 2014: Voters in the northern Darwin seat of Casuarina will go to the polls on 18 October following the resignation of Labor MP Kon Vatskalis. It will be the third by-election since the Country Liberals returned to government in August 2012.

18 September: Scotland is voting on whether to leave the United Kingdom and become an independent country. Find background on the referendum and follow the count through the day on Friday 19 September.

3 May: Voters in the Tasmanian Legislative Council seats of Huon and Rosevears go back to the polls on 3 May in the state's annual upper house elections. After winning March's state election, the Liberal Party have nominated candidates for both seats.

5th April: Western Australian voters go to the polls on Saturday 5 April to elect six Senators to represent the state. The election is being held after the Court of Disputed Returns overturned last September's election result.

25 May: Having been dropped as National Party candidate for the Federal seat of New England, Richard Torbay has now resigned his seat in the NSW parliament, creating a by-election for his rural seat of Northern Tablelands.